<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			.aaa{
				width: 50px;
				background: red;
			}
			.bbb{
				width: 100%;
				
			}
			
			
		</style>
	</head>
	<body>
		<div class="aaa">
			<img src="../背景/2.png" class="bbb"/>
		</div>
		
		
		<div>
			<img src="../背景/2.png"/>
		</div>
		
	</body>
</html>
